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 TV Interferance TVI

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TV Interferance TVI Empty
PostSubject: TV Interferance TVI   TV Interferance TVI Icon_minitimeSun Apr 02, 2023 2:08 pm

A question,
I know people are mostly on a satellite dish or cable these, days but the few are still on an Arial that like the BBC  Cool
Can,  A Standard CB on 4 watts cause TVI ?
I remember back in the days of CB/81 there where problems with this issue.

Because I have now put my big Antenna on a pole in my garden  Wink  That is me in my Avatar   lol!
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Alan Pilot
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Alan Pilot


Call Sign : 163-CT-220...MW7TTA
Posts : 2516
Times Thanked : 69
Join date : 2019-11-19
QTH or Location : Anglesey North Wales
Equipment Used : Yaesu FT-991A,,Yaesu FTDX-10,,Icom ic-7300,,Anytone AT-D878UV PLUS",,LINCOLN II+.
Age : 150

TV Interferance TVI Empty
PostSubject: Re: TV Interferance TVI   TV Interferance TVI Icon_minitimeSun Apr 02, 2023 3:37 pm

Not a problem much today with the modern tv's we have.
3 years back i had a silver-rod directly in front of out tv aerial and no problems or with the houses around me.
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PostSubject: Re: TV Interferance TVI   TV Interferance TVI Icon_minitimeSun Apr 02, 2023 4:18 pm

As Alan Pilot said in the last post,TVI isn’t really an issue with today’s Satellite systems and TV now being Digital and not analogue beamed from Crystal Palace.The only complaint I did get once was from the kids saying they could hear my voice while I was on AM Mode through their Nintendo switch headsets.(No doubt me being overzealous with the output)
What I did just for peace of mind was add a RM 27/586 Low pass filter inline just to stop any bleed over or double harmonics.Which works well over 30mhz and have yet to have any neighbour knocking on my door.
Also 4 Watts QRP I wouldn’t even worry,Hope my waffling helped.
Cheers Tom.
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TV Interferance TVI Empty
PostSubject: Re: TV Interferance TVI   TV Interferance TVI Icon_minitimeSun Apr 02, 2023 5:11 pm

Thanks all, I had a feeling that would be the case  TV Interferance TVI 1f44d
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Sharpshooter
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Sharpshooter


Call Sign : 163-CT-329
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Join date : 2022-04-05
QTH or Location : Deeside, Flintshire
Equipment Used : A growing list

TV Interferance TVI Empty
PostSubject: Re: TV Interferance TVI   TV Interferance TVI Icon_minitimeSun Apr 02, 2023 7:47 pm

On my 9900 with Sirio 4000 parked next to my caravan I interfere with.
My TV running through a satellite dish facing away from my antenna.
A neighbouring caravan using a tv aerial on digital.
And another neighbour watching netflix etc via internet 😁

If it still interferes when I put up a dipole I'll buy a tvi filter.
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PostSubject: Re: TV Interferance TVI   TV Interferance TVI Icon_minitimeSun Apr 02, 2023 8:04 pm

Sharpshooter wrote:
On my 9900 with Sirio 4000 parked next to my caravan I interfere with.
My TV running through a satellite dish facing away from my antenna.
A neighbouring caravan using a tv aerial on digital.
And another neighbour watching netflix etc via internet 😁

If it still interferes when I put up a dipole I'll buy a tvi filter.
How may watts where you using ?
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Sharpshooter
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Sharpshooter


Call Sign : 163-CT-329
Posts : 483
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Join date : 2022-04-05
QTH or Location : Deeside, Flintshire
Equipment Used : A growing list

TV Interferance TVI Empty
PostSubject: Re: TV Interferance TVI   TV Interferance TVI Icon_minitimeSun Apr 02, 2023 8:13 pm

Not sure, definitely does at full chat, 😁 but I think it still does it when the power is dialled down.

I'll experiment next time I'm away.
I'm hoping the dipole being higher up will eliminate it
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PostSubject: Re: TV Interferance TVI   TV Interferance TVI Icon_minitime

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